"I know a thing or two about comebacks," said Elway, famous for his fourth-quarter heroics, in introducing McCain this morning to several thousand raucous partisans in a sports arena here.... Elway said he was absolutely confident McCain could stage his own fourth-quarter comeback. "Until we get to that vote November 4, I don't care what the polls say," he said, saying the race was closer than the polls suggest. "I think he needs a field goal," Elway said. "That's all he needs. He needs a field goal."